Usually ceiling tiles can be moved from the floor with along pole (wood)
Aluminum lader is OK
Person falling from shoulders of brave sole acting as a ladder is prime way
to have a quench as well as broken bones.
Jack
On 12/06/10 8:29 PM, "Janet Asper (jasper)" <jasper_at_umw.edu> wrote:
> We just finished install of a reconditioned Bruker ARX 300 system (magnet is
> NOT ultrashield).
>
> We've got three ceiling tiles directly above the magnet that are displaced.
> They are leftover "evidence" of the quench of a different NMR that we tried to
> install several months ago. In the excitement of install of this "new"
> system, I never managed to get those tiles put back into place before we
> powered up the magnet.
>
> I was ignoring it, but one of the fire officials was inspecting the building
> and was very upset about the displaced tiles. He says that they will cause
> more damage in a fire. He wants them replaced by the time he's back in 30
> days.
>
> The tiles are 10'6" from the floor. We're going to try having one of our more
> petite colleagues stand on someone's shoulders to replace them. If that
> doesn't work (or if the safety officer catches wind of it), what kind of
> ladder can we use to do this? Our facilities department is getting in touch
> with a nearby hospital's MRI facility. Our installer has us paranoid about
> messing up our cryoshims. We've been waiting a long time for this instrument,
> and I don't want anything to go wrong!
>
> Thanks so much for any advice you can give.
>
> Janet Asper
> Assistant Professor, Chemistry
> University of Mary Washington
Dr. Jack Martin Miller
Special Advisor on Buildings and Space,
Emeritus Professor of Chemistry,
Brock University,
St. Catharines, Ontario,
Canada, L2S 3A1.
Phone 905 688 5550, ext 3789;
Fax 905 684 2277.-
Received on Mon Jun 14 2010 - 08:21:02 MST